OAKLAND, Calif. — Derek Carr threw two touchdown passes after losing starting receiver Michael Crabtree to an ejection for his role in a brawl, and the Oakland Raiders spoiled Paxton Lynch's first start of the season with a 21-14 victory over the Denver Broncos on Sunday.

The story coming into the game was about the upheaval for the two teams after Denver (3-8) fired offensive coordinator Mike McCoy and made another quarterback change and Oakland (5-6) fired defensive coordinator Ken Norton Jr .

But the fight between Crabtree and cornerback Aqib Talib that led to three ejections ended up overshadowing the recent disarray even as the Raiders recorded their long-awaited first interception of the season in their first game under defensive play-caller John Pagano and the Broncos lost seven games in a row for the first time in 50 years.

The fight was a continuation of a dispute that started last season when Talib ripped Crabtree's chain off during the season finale. Crabtree missed the first game between the teams this year but wasted little time seeking revenge.

On the second play of Oakland's second drive, Crabtree aggressively blocked Talib on a running play and drove him to the ground on the Broncos sideline. Talib ripped Crabtree's chain off his neck while they were tangled up, and a brawl ensued.

Several Broncos players surrounded Crabtree as he tussled with Talib before his Raiders teammates could come to his assistance. Guard Gabe Jackson pushed an official while trying to join in and got ejected for his actions, along with Crabtree and Talib.

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The Raiders then dominated on the field after ending the longest season-opening interception drought in NFL history.

With the Broncos at the 1, Lynch looked for tight end Virgil Green in the end zone. The ball bounced off Green and Raiders safety Reggie Nelson before landing in NaVorro Bowman's arms as he was lying on the turf for Oakland's first interception.

Marshawn Lynch added a 1-yard run to make it 14-0 and Carr threw his second TD to Jalen Richard in the third quarter to put the game out of reach.

PAXTON'S PROBLEMS

Lynch's first start of the season was a rough one. He completed 9 of 14 passes for 41 yards and an interception against a defense that entered the game on pace to allow the second-highest completion percentage and passer rating in NFL history. Lynch also was sacked four times. He left the game in the third quarter after injuring his ankle on a rollout.

The Broncos got their first scores under new coordinator Bill Musgrave when Trevor Siemian threw TD passes to Cody Latimer and Bennie Fowler in the fourth quarter.

CLINCHING PLAY

The Raiders' 21-point lead was cut to seven when Oakland faced a third-and-8 at its own 15. Carr dropped back to pass and lofted a throw to Cordarrelle Patterson, who broke several tackles for a 54-yard gain. The Raiders then went into victory formation to end the game.

COSTLY REVERSAL

The Broncos appeared to strike first when Lynch found Devontae Booker on a pass from the 20-yard line that was initially ruled a touchdown. But after a replay review, Booker was ruled down at the 1. Two plays later, Bowman came up with the interception and the Raiders drove down for the opening touchdown.

INJURIES

Cooper left with a concussion in the first half after being hurt on an illegal hit by Denver safety Darian Stewart. Cooper was down on the turf for several minutes before leaving. Stewart was penalized on the play.